20616484

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{4409}}^1$

素因数の和:4587

約数の個数: 24

約数和(自身を含む): 41489280

約数和(自身を除く): 20872796

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4409, 4676, 8818, 17636, 30863, 61726, 123452, 736303, 1472606, 2945212, 5154121, 10308242, 20616484]

約数ペア:

[(1, 20616484), (2, 10308242), (4, 5154121), (7, 2945212), (14, 1472606), (28, 736303), (167, 123452), (334, 61726), (668, 30863), (1169, 17636), (2338, 8818), (4409, 4676)]